The rms speed of the molecules in 1.9 g of hydrogen gas is 1600 m/s.

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The rms speed of the molecules in 1.9 g of hydrogen gas is 1600 m/s. C) 400 J of work are done to compress the gas while, in the same process, 2000 J of heat energy are transferred from the gas to the environment. Afterward, what is the rms speed of the molecules?